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Mainstream for Mexico City

01/17/2001


Eleventh gapless Heidelberg newspaper press will go to El Universal

One of Mexico's largest dailies will join a growing list of newspapers to be printed with gapless press technology. El Universal will add a 1x4 Heidelberg Mainstream press to a Mexico City pressroom that includes three existing double-width Heidelberg presses. The Mainstream installation will be completed in late 2001. It is designed to meet demand for increased production and color capacity.

The new double-width press at El universal will include two four-high towers and two two-high towers. A unique angle bar configuration will maximize color placement options.

Heidelberg's Mainstream is the world's first newspaper press with gapless blankets. It features a 1x4 plate cylinder configuration and a 1:1 plate-to-blanket cylinder ratio and prints up to 80,000 papers per hour in straight production. El Universal will convert to 100 percent straight production with all of its presses following the installation of the new Mainstream.

Heidelberg Web Systems president Bob Brown says growing interest in the Mainstream worldwide is a strong testament to how Heidelberg's gapless press technology meets modern publishing needs and makes newspapers more competitive. "With gapless blankets, we can combine premium quality, high speed and the one-around plate and blanket cylinder configuration." Brown explained. "The primary advantages are improved print quality, faster productivity for shorter print windows, plate saving economy and layout versatility."

Heidelberg will supply seven Contiweb FD pasters and two RB 3:2 rotary blade folders at El Universal. The Mainstream will also be equipped with Heidelberg's Omnicon control system, including the Omnipage automatic page recognition feature. Omnipage uses cameras mounted above the press console to instantly direct the control system to the tower and printing couple corresponding to pages placed on the console. Another Mainstream innovation will allow the rotary blade folders to be moved on rails for optimal positioning under the formers according to the configuration of each print run.

The El Universal order brings the total number of Mainstream presses sold to 11. Heidelberg first introduced the press at drupa in May 2000.

England's Telegraph Group, along with contract printers West Ferry Printers and Trafford Park Printers, will install seven Mainstreams at two British sites beginning later this year. The new presses with a total of 263 printing couples will be used to print The Daily Telegraph and other titles.

The IPS Group, a large printer of free advertising newspapers in France, will replace existing presses at two French sites with identical 28-couple Mainstreams beginning in the spring of 2002.

Heidelberg pioneered gapless blanket technology and has used it to improve print quality and productivity in commercial web printing since 1993. "The gapless blankets eliminate mechanical disturbances and vibration that occur when blanket gaps meet," Heidelberg Web Systems technical sales specialist Peter Walczak explains. "The resulting dynamic stability allows us to operate the 1x4 cylinders at very high speeds and in the 1:1 plate-to-blanket cylinder ratio for the highest print quality.

The Mainstream can match the output of a conventional 2x4 double-width press while cutting plate requirements in half, according to Walczak. "That can significantly reduce plate costs as well as the time necessary to make and mount plates, making computer-to-plate more practical," he explains. Straight printing with the 1x4 format also provides the layout versatility of two-page jumps and sections with unequal page counts.

Heidelberg will introduce additional gapless presses for a wide variety of newspaper applications. The second model, the Tristream, will feature a 2x6 plate cylinder configuration. It will print up to 80,000 papers per hour in straight mode or 40,000 papers per hour collect, making high-speed, triple-width productivity a reality for the first time ever.

For further information:
Heidelberger Druckmaschinen AG
Corporate Communications
Hans-Dieter Siegfried
Tel.: +49 (0)6221 92 50 63
Fax: +49 (0)6221 92 50 46
E-mail: hans-dieter.siegfried@heidelberg.com

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